Aesteiron Steels Pvt Ltd is one of the leading manufacturers, suppliers and exporters of Tubes. |
Product Details:
Size | 3 inch, 1 inch, 2 inch, 1/2 inch, 3/4 inch |
Unit Pipe Length | 18 meter, 6 meter, 9 meter, Customized, 3 meter |
Length | 4-6 meters, 0-2 meters, 6-8 meters, Or As Per Requirement, 2-4 meters |
Type | Tubes |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Rust Resistant | Yes |
I deal in | New Only |
Product Details:
Size/Diameter | As Per Requirement |
Single Piece Length | 3 meter, >36 meter, 36 meter, 6 meter, 18 meter |
Unit Pipe Length | 18 meter, 6 meter, 9 meter, 3 meter, Customized |
Size | 1/2 inch, 1 inch, 2 inch, or As Per Requirement, 3 inch, 3/4 inch |
Features | Polished, Pickled, Cold Drawn, Anealed |
Packing Details | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
Condition | New |
Grades under Square Tubes
Stainless Steel:- 304/L/H/LN, 316/L/H/LN/Ti, 317L, 321/H, 347/H, 309, 310, 904L. 409/L, 410, 430/Ti, 436, 439.
Duplex Steel :- UNS S31803, S32205, S32750, S32760
Alloy Steel:- ASTM A 335 - P5, P9, P11, P12, P21, P22 & P91 Etc.
Carbon Steel:- ASTM A53, A106, A179, A192, A213, A210, A335Gr- P1, P5, P9, P11, P22, P91, T11 T22 , T9 , T91 , A334
Aluminium:- 2011, 2014, 2017, 2024, 2219, 3003, 5005, 5052, 5086, 5657, 6101, 6013, 6020, 6033, 6040, 6061, 6262, 6063, 7050, 7068, 7075
Titanium:- Titanium Gr2 (UNS R50400), Titanium Gr5 (UNS R56400), Titanium Gr7(UNS R52400), Titanium Gr9 (UNS R56320), Titanium Gr12 (UNS R53400)
Nickel Alloy:- 330, 400, 600, 601, 625, 800H, 800HT, 825,
Application
Features:
Specifications:
Product Details:
Size | 1/4 inch-1 inch, 1 inch-2 inch, 2 inch-3 inch, 3 inch-10 inch, 10 inch-20 inch, or as per requirement |
Unit Length | 3m, 6m, 12m, 30m, or as per requirement |
Thickness | As Per Requirement |
Surface Finish | Anodized, Brushed, Mill Finished, Finished Polished |
Unit Pipe Length | 3m, 6m, 30m or as per requirement |
Hallow Sections | Circular |
Is It Customized | Customized |
Material | Stainless Steel, Mild Steel, Carbon Steel |
Country of Origin | Made in India |
Packing Details | Shrink wrapping, jute wrapping, bubble wrapping & wooden boxes |
Condition | New |
We are offering Industrial Seamless Steel Pipes to our clients. These high quality steel pipes are highly acknowledged due to its longer service period and optimality.
Features:
Size:
Aesterion is one of the leading Manufacturer, Supplier, Stockist, Dealer, Authorized Distributor & Exporter of High Quality Stainless Steel Tubes, SS Tubes in India. We provide a wide range of Stainless Steel Seamless Tubes, Stainless Steel Welded Tubes, Stainless Steel ERW Tubes, Stainless Steel Fabricated Tubes, etc. Available in different dimensions & grades, these stainless steel tubes are widely used in different industries like power, engineering, construction, cement, chemical, and many more. We also offer competitive range of Stainless Steel tubes as per clients’ requirement.
Aesterion ensure that the best industry standards are followed while going for supplies and export of Stainless Steel Tubes.
Aesterion still stand apart in the market in the field of manufacturing, packaging and export of SS Tubes in India. What really makes us different from others is our commitment to quality. With a vast experience of over four decades in manufacturing of Stainless Steel Tubes in India, We have great expertise and technical edge for the manufacture. We also custom manufacture for our clients as per any specific order the client is looking f
We manufacture & stock widest range of Seamless, Welded, ERW, Electric Resistance Welded and Fabricated SS Tubes in India. Specialized in SS Tubess Manufacturing in India, Excellent Quality in Stainless Steel Tubess Dealer in India With Low Price.
Aesterion is Manufacturer of SS Tubes, SS Welded Tubes, SS ERW Tubes, SS Fabricated Tubes, Tubes of SS, Stainless Steel Tubes, Stainless Steel Seamless Tubes, Stainless Steel Welded Tubes, Tubes of Stainless Steel, Stainless Steel ERW Tubes and Stainless Steel Fabricated Tubes in India.
Product Details:
Size | 10 inch-20 inch, 3 inch-10 inch, 1 inch-2 inch, 1/4 inch-1 inch, 2 inch-3 inch |
Unit Length | 12m, 30m, 3m, 6m |
Unit Pipe Length | 18 meter, 3 meter, 6 meter, 9 meter, Customized |
Surface Finish | Mill Finished |
Hollow Sections | Circular |
Condition | New |
Product Details:
Thickness | As Per Requirement |
Usage/Application | Industrial |
Unit Length | 6m, 3m, 30m, 12m |
Shape | Round |
Unit Pipe Length | or As Per Requirement, 6 meter, Customized, 9 meter, 3 meter, 18 meter |
Single Piece Length | 18 meter, 6 meter, >36 meter, 36 meter, 3 meter |
Size | As Per Requirement |
Packaging Type | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
I Deal In | New Only |
Product Details:
Usage/Application | Drinking Water |
Application | Drinking Water, Utilities Water, Chemical Handling |
Single Piece Length | 3 meter, 6 meter, 18 meter, >36 meter, 36 meter |
Size/Diameter | Or As Per Requirement, 3 inch, 1/2 inch, 1 inch |
Packing Details | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
Condition | New |
Product Details:
Thickness | As Per Requirement |
Unit Pipe Length | Customized, 6 meter, 3 meter, 9 meter, 18 meter |
Unit Length | 3m, 30m, 6m, 12m |
Single Piece Length | 36 meter, 6 meter, >36 meter, 18 meter, 3 meter |
Size | As Per Requirement |
Packaging Type | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
I Deal In | New Only |
We have gained a outstanding position in the industry by offering a qualitative assortment of Steel Tubes. These products are designed using quality assured raw material and advanced technology. In tune with different requirements of our copious clients, we customize the entire range in several sizes, designs and shapes. Our offered range has gained exceptional value amongst our clients for its defined features.
Features:
Product Details:
Length | 4-6 meters, 2-4 meters, 6-8 meters, 0-2 meters |
Unit Pipe Length | 9 meter, Customized, 18 meter, 3 meter, 6 meter |
Grade | SS316, TP304, SS304, TP409, SS 304, 304L, 304LN, 309, 309S, 310, 316, 316H, 316L, 321, 321H, 347, 347H, 348, 348H |
Size | 3''-10'', 10''-20'', 1/4''-1'', 2''-3'', 1''-2'' |
Type | Seamless, Welded |
Material | Stainless Steel |
Hollow Sections | Circular |
Product Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Is It Rust Proof | Rust Proof |
I deal in | New Only |
Aesteiron Steels LLP is distinguished as one of the well equipped organization engaged in offering a wide range of Stainless Steel Tube. It is manufactured by using the superlative quality of raw material and most advanced machines in compliance with the industrial quality standards. To meet the specific needs of our prominent clients, we offer these products in industry leading prices.
Stainless Steel Tube Features
Product Details:
Thickness | As Per Requirement |
Unit Pipe Length | Customized, 9 meter, 6 meter, 18 meter, 3 meter |
Unit Length | 30m, 12m, 3m, Or As Per Requirement, 6m |
Size/Diameter | As Per Requirement |
Single Piece Length | 3 meter, >36 meter, 6 meter, 18 meter, 36 meter |
Size | 3" |
Packaging Type | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
I Deal In | New Only |
Riding on unfathomable volumes of industrial expertise, we are offering an excellent range of Low Temperature Seamless Pipes And Tubes. Being a quality-oriented organization, we assure our clients that these pipes and tubes are the best in quality. Our skilled professionals only utilize fine quality raw material, while manufacturing the entire range. Moreover, our offered range can be availed in a wide range of sizes and shapes, as per the requirements of our esteemed clients.
Features:
Rust proof
Enhanced durability
Optimum strength
Specifications:
Specification | ASTM a 333, a334, bs 3603 a 420 |
Grade | 1,3,6, 27 lt 30, 27 lt 50 wpl3, wpl6 |
Product Details:
Thickness | As Per Requirement |
Unit Pipe Length | 3 meter, 6 meter, 12 meter or as per requirement |
Type | Welded, Seamless, U-Tubes |
Length | 2-4 meters, 4-6 meters, 6-8 meters, Or As Per Requirement, 0-2 meters |
Size | 3''-10'', Or As Per Requirement, 1''-2'', 10''-20'', 1/4''-1'', 2''-3'' |
Hallow Sections | Elliptical, Rectangular, Circular, Square |
Country of Origin | Made in India |
Product Details:
Size/Diameter | As Per Requirement |
Single Piece Length | 6 meter, 18 meter, 36 meter, >36 meter, or As Per Requirement, 3 meter |
Unit Pipe Length | 18 meter, 9 meter, Customized, 3 meter, 6 meter |
Size | 1/2 inch, or As Per Requirement, 2 inch, 3 inch, 1 inch, 3/4 inch |
Features | Anealed, Cold Drawn, Polished, Pickled |
I Deal In | New Only |
Packing Details | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
Product Details:
Unit Length | 12m, 3m, Or As Per Requirement, 30m, 6m |
Unit Pipe Length | 6 meter, 18 meter, Customized, 3 meter, 9 meter |
Size | 3/4 inch, Or As Per Requirement, 1/2 inch, 1 inch |
Features | Polished, Cold Drawn, Pickled, Anealed |
Material | Alloy Steel |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Being a customer oriented firm, we are engaged in offering a wide range of Alloy Steel Tube. These tubes are manufactured using optimum grade raw material and sophisticated technology in synchronization with international standards. In order to ensure quality, the entire range is rigorously tested on various parameters by our quality controllers. Keeping in mind the diverse requirements of our clients, we provide entire range in various sizes and specifications and at affordable prices.
Alloy Steel Tube Grades
ASTM A213 Gr T2 Alloy Steel Tube, ASTM A213 Gr T5 Alloy Steel Tube, ASTM A213 Gr T5b Alloy Steel Tube, ASTM A213 Gr T5c Alloy Steel Tube, ASTM A213 Gr T9 Alloy Steel Tube, ASTM A213 Gr T11 Alloy Steel Tube, ASTM A213 Gr T12 Alloy Steel Tube, ASTM A213 Gr T22 Alloy Steel Tube, ASTM A213 Gr T23 Alloy Steel Tube, ASTM A213 Gr T91 Alloy Steel Tube, ASTM A213 Gr T92 Tube
Alloy Steel Tube Features
Precisely design
Anti corrosive
Durability
Product Details:
Size | As Per Requirement |
Unit Length | 12m, Or As Per Requirement, 30m, 3m, 6m |
Unit Pipe Length | 6 meter, 18 meter, 9 meter, Customized, 3 meter |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Condition | New |
Packing Details | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes, Carton, etc. |
Aesteiron Steels LLP, is one of the leading wholesaler and exporter of a wide range of ERW Steel Tube. It ia manufactured using optimum quality raw material by reliable vendors of the market. Moreover, in order to remain at par with the set industry standards, the entire range is tested on various well-defined parameters before the final delivery.
ERW Steel Tube Features
Longer Service life
Rust-proof
Low Maintenance
Effectively polished
available in a variety
ERW Steel Tube Applications
Product Details:
Unit Length | 3m, 6m, 12m, 30m or as per requirment |
Usage/Application | Industrial & Construction |
Thickness | As Per Requirement |
Unit Pipe Length | 3 meter, Customized, 18 meter, 6 meter, 9 meter |
Packing Details | Shrink Wrapping,Wooden Boxes etc |
Condition | New |
Product Details:
Size | As Per Requirement |
Unit Pipe Length | 18 meter, 9 meter, 6 meter, Customized, 3 meter |
Diameter | As Per Requirement |
Is It Corrosion Resistant | Corrosion Resistant |
I Deal In | New Only |
Packing Details | Shrink Wrapping,Jute Wrapping,Wooden boxes |
Product Details:
Unit Pipe Length | 9 meter, 6 meter, 3 meter, Customized, 18 meter |
Size | As Per Requirement |
Unit Length | 3m, 12m, 24m, 18m, >24m, 6m |
Material | Stainless Steel,Alloy Steel,Carbon Steel,Nickel Alloy |
Is It Corrosion Resistant | Corrosion Resistant |
Condition | New |
Rectangular Tubes Features
Rectangular Tube Grades
Stainless Steel Rectangular Tubes:- 304/L/H/LN, 316/L/H/LN/Ti, 317L, 321/H, 347/H, 309, 310, 904L. 409/L, 410, 430/Ti, 436, 439.
Duplex Steel Rectangular Tubes:- UNS S31803, S32205, S32750, S32760
Alloy Steel Rectangular Tubes:- ASTM A 335 - P5, P9, P11, P12, P21, P22 & P91 Etc.
Carbon Steel Rectangular Tubes:- ASTM A53, A106, A179, A192, A213, A210, A335Gr- P1, P5, P9, P11, P22, P91, T11 T22 , T9 , T91 , A334
Aluminium Rectangular Tubes :- 2011, 2014, 2017, 2024, 2219, 3003, 5005, 5052, 5086, 5657, 6101, 6013, 6020, 6033, 6040, 6061, 6262, 6063, 7050, 7068, 7075
Titanium Rectangular Tubes:- Titanium Gr2 (UNS R50400), Titanium Gr5 (UNS R56400), Titanium Gr7(UNS R52400), Titanium Gr9 (UNS R56320), Titanium Gr12 (UNS R53400)
Nickel Alloy Rectangular Tubes:- 330, 400, 600, 601, 625, 800H, 800HT, 825,
Product Details:
Size | As Per Requirement |
Unit Pipe Length | 18 meter, 9 meter, 3 meter, 6 meter, Customized |
Length | Or As Per Requirement, 2-4 meters, 6-8 meters, 4-6 meters, 0-2 meters |
Type | Welded |
Material | Stainless Steel |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
I deal in | New Only |
Product Details:
Unit Pipe Length | 3 meter, 6 meter, Customized, 18 meter, 9 meter |
Material | Mild Steel |
Size | As Per Requirement |
Product Type | Tubes |
Packing Details | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Condition | New |
Product Details:
Thickness | As Per Requirement |
Unit Pipe Length | 18 meter, Customized, 6 meter, 9 meter, 3 meter |
Unit Length | >24m, 18m, 3m, 24m, 12m, 6m |
Is It Corrosion Resistant | Corrosion Resistant |
I Deal In | New Only |
Packing Details | Shrink Wrapping, Jute Wrapping, Wooden Boxes etc |
Product Details:
Unit Pipe Length | Customized, 3 meter, 9 meter, 6 meter, 18 meter |
Unit Length | 2-4 meters, > 8 meters, 0-2 meters, 6-8 meters, 4-6 meters |
Size | 1/2 inch, 3/4 inch, 1 inch, 2 inch, 3 inch or as per requirement |
Thickness | As Per Requirement |
Packing Details | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
Condition | New |
Material | Size (in mm) | Sch. & Swg. | Specification |
Mild Steel (M. S.) & G. I. | 15 NB to 150 NB | ''A'' Class ''B'' Class ''C'' Class | IS 1239 |
200 NB to 500 NB | 4.85 mm to 12.7 mm Thk. | IS 3589 (Fe 330, Fe 410) |
Product Details:
Length | 6-8 meters, 2-4 meters, 0-2 meters, 4-6 meters, Or As Per Requirement |
Unit Pipe Length | 18 meter, Customized, 3 meter, 6 meter, 9 meter |
Type | Seamless, Welded |
Material | Stainless Steel |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
I deal in | New Only |
Stainless Steel Electro Polish Tube Features
Stainless Steel Electro Polish Tube Applications
Product Details:
Size | As Per Requirement |
Packaging Type | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes or As Per Requirement |
I Deal In | New Only |
Application | Industrial, Chemical Laboratory |
Certification | ISO |
Delivery Time | 7-10 Days or as per requirement |
Product Details:
Single Piece Length | 3 meter, 18 meter, >36 meter, 6 meter, 36 meter |
Application | Chemical Handling, Utilities Water, Drinking Water, Gas Handling, Food Products |
Material | Inconel |
Type | Seamless, Welded |
Size/Diameter | 2 inch, 1/2 inch, 1 inch, Or As Per Requirement |
Condition | New |
Product Details:
Size | as per requirement |
Unit Pipe Length | Customized, 6 meter, 3 meter, 18 meter, 9 meter |
Quantity Per Pack | as per requirement |
Customization | Customized |
Is It ISO Certified | ISO Certified |
Packing Details | Shrink Wrapping, Jute Wrapping, Wooden Boxes etc |
Condition | New |
Leveraging on our enormous business competency and huge info of this field, we have brought forth a vast gamut of Electro Welded Tube.
Features:
Best finish
Precise
Exceptional standards
Exclusive
Sturdy
Product Details:
Thickness | as per requirement |
Size | 1/2 inch, 1 inch, 2 inch, 3 inch or as per requirement |
Unit Length | 30m, 6m, 3m, or as per requirement, 12m |
Unit Pipe Length | 9 meter, Customized, 3 meter, 6 meter, 18 meter |
Packaging Type | Shrink Wrapping,Jute Wrapping Wooden Boxes etc |
Condition | New |
Product Details:
Usage/Application | Industrial & Construction |
Unit Pipe Length | 9 meter, 3 meter, 18 meter, Customized, 6 meter |
Hardness | As Per Requirement |
Outside Diameter | As Per Requirement |
Thickness | As Per Requirement |
Condition | New |
Material | Size (in mm) | Sch. & Swg. | Specification |
Mild Steel (M. S.) & G. I. | 15 NB to 150 NB | 'A' Class 'B' Class 'C' Class | IS 1239 |
200 NB to 500 NB | 4.85 mm to 12.7 mm Thk. | IS 3589 (Fe 330, Fe 410) |
Product Details:
Thickness | As Per Requirement |
Unit Length | 30m, Or As Per Requirement, 6m, 3m, 12m |
Unit Pipe Length | 3 meter, Customized, 9 meter, 18 meter, 6 meter |
Size | As Per Requirement |
Packaging Type | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes |
Condition | New |
Product Details:
Unit Pipe Length | 6 meter, 9 meter, 3 meter, 18 meter, Customized |
Size | as per requirement |
I Deal In | New Only |
Packing Details | Shrink Wrapping, Jute Wrapping, Wooden Boxes etc |
Condition | New |
Certification | ISO |
Product Details:
Size | As Per Requirement |
Unit Pipe Length | Customized, 6 meter, 9 meter, 3 meter, 18 meter |
End Connection | Plain End, Threaded, Beveled End |
Packing Details | Shrink Wrapping, Jute Wrapping, Wooden Boxes etc |
Condition | New |
Certification | ISO |
Our qualitative range of Super Duplex Tubes is extensively used in applications where both the properties of steel, durability and resistance to corrosion, are required. Fabricated using graded raw material and advanced methodology, our tubes and pipes comply with the latest norms of the industry.
Super Duplex Tubes Features
Good welding ability
High resistance to all types of corrosion
High mechanical strength
Rust-proof
Heat-resistant
Long-lasting
Super Duplex Steel Tube Grades
UNS S32750 Super Duplex Tubing, UNS S32760 Super Duplex Tubing, ASTM A790 Super Duplex Tubing, ASME SA790 Super Duplex Tubing, ASTM A789 Super Duplex Tubing, ASME SA789 Super Duplex Tubing
Product Details:
Unit Length | 12m, 3m, 30m, 6m, Or As Per Requirement |
Size | As Per Requirement |
Unit Pipe Length | Customized, 18 meter, 6 meter, 9 meter, 3 meter |
Material | Mild Steel |
Product Type | Tube |
Condition | New |
Product Details:
Size | As Per Requirement |
Unit Pipe Length | 3 meter, 9 meter, 18 meter, Customized, 6 meter |
Quantity Per Pack | As Per Requirement |
Customization | Customized |
Is It ISO Certified | ISO Certified |
Packing Details | Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes |
Condition | New |
We have brought forth a vast range of Electro Welded Tube.
Features:
Best finish
Precise
Exceptional standards
Exclusive
Sturdy
Product Details:
Thickness | As Per Requirement |
Unit Length | 6m, As Per Requirement, 30m, 3m, 12m |
Unit Pipe Length | 3 meter, As Per Requirement, 9 meter, 6 meter |
Packaging Type | Shrink Wrapping, Jute Wrapping, Wooden Boxes etc |
Country of Origin | Made in India |
Condition | New |
Details:
Standard:
ASTM / ASME A/SA 269 / 213 / 249
Product Details:
Unit Pipe Length | 6 meter, Customized, 18 meter, 9 meter, 3 meter |
Unit Length | 12m, 3m, Or As Per Requirement, 30m, 6m |
Size | As Per Requirement |
Type | Tubes |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Condition | New |
Product Details:
Unit Pipe Length | 9 meter, 18 meter, Customized, 6 meter, 3 meter |
Unit Length | 12m, 30m, 3m, 6m |
Size | As Per Requirement |
Type | Tubes |
Packaging Type | Shrink wrapping, Bubble wrapping, Carton boxes, Wooden crates, pallets |
Condition | New |
Product Details:
Single Piece Length | 3 meter, 6 meter, 18 meter, 36 meter or as per requirement |
Unit Pipe Length | 3 meter, 6 meter, 9 meter, 18 meter or as per requirement |
Usage/Application | Food Products, Drinking Water, Utilities Water |
Country of Origin | Made in India |
Packing Details | Shrink Wrapping,Jute Wrapping,Wooden Boxes |
Condition | New |
Chemical Composition of ASTM B515 Welded Tube/ UNS N08810/ WNR 1.4958 | |||||||
C | Cr | Ni | Ti | Al | Fe | Al + Ti | Grain |
0.05-0.10 | 19.0 -23.0 | 30.0 - 35.0 | 0.15 - 0.60 | 0.15 - 0.60 | 39.5 min | 0.30-1.20 | 5 or coarser |
Specifications of ASTM B515 Welded Tube/ UNS N08810/ WNR 1.4958 | |||||
Sheet/plate | Round bar | Welded Pipe | Seamless Tube | Fittings | Forgings |
ASME SB-409 AMS 5871 | ASME SB-408 AMS 5766 | ASME SB-514 ASME SB-515 ASMES SB-751 | ASME SB-407 ASME SB-751 ASME SB163 | ASME SB-366 | ASME SB-564 AMS 5766 |
UNS | Trademark | W.Nr |
UNS N08810 | Inconel 800H | 1.4958 |
Please contact us for more details.